Four fifth-grade students--a geek, a class clown, a teacher's pet, and a slacker--as well as their teacher and mothers, each relate events surrounding a computer programmed to complete homework assignments.

High school sophomore Willa and her artist mother move to Arizona where Willa starts attending an elite prep school after her mother finally sells some paintings, and Willa attempts to even things out by stealing from the rich students and giving to the poor ones.

"Your brother has been missing in the Arizona mountains for weeks. You know that he was there to search for the Lost Dutchman's Gold Mine. Stories say that the lost mine holds a fortune that's just waiting to be found. But now your brother appears to be the latest person to disappear while searching for the fabled treasure. Does the legendary mine really exist? And was your brother able to find it? It's up to you to find out! With dozens of choices...

While she studies condors in the Grand Canyon a scientist's life is threatened, and the strange, hostile, teenage computer whiz in her family's foster care might be involved.

A dry, forsaken blip on the edge of civilization. That's what Mike Fowler thinks of the small desert town of Ambrosia. He has no friends, no fun, and no answers to the agonizing disappearance of his dad in a top-secret military mission. But that could all change after Mike stumbles onto his dad's puzzling journal in the old B-17 out back. The mysterious entries in the journal lead him to a hidden canyon! Something big - maybe a covert military operation...